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Works with FGTECH, BDM100, KESS, KTAG ECU programming tool,LED is compatible with 12V vehicles, after you connect with the probe, disconnect 12V battery for LED, it will work. The probe pin is adjustable. No PCB in this package!

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This Battery tester is designed to test the condition of the motorcycle battery using conductance method. Unlike the conventional method of draining the battery by applying resistance load to it and obtain the result from the meter gauge; this analyzer utilizes a series of pulsed voltage across the battery cells and observes the AC current that flows in response to it.

Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment.To Test spark plug performance and ignition strength, apply to 12V Gasoline vehicles car spark plugs.